⚠ Version 1 of The Plant List has been superseded.
This name is in version 1.1 of The Plant List, record tro-35111118, with some changes.
This name is a synonym of Didymodon rigidulus var. gracilis .
The record derives from Tropicos which reports it as a synonym (record 35111118
) with original publication details: Nuovo Giorn. Bot. Ital. 4: 13 13 1872.